.x-dd-drop-waiting {
    background-image:url(../images/loading.gif) !important;
}

.ext-ux-livegrid-liveScroller {
    z-index:1;
    background:none!important;
    position:absolute;
    height:3px;
    right:0px;
    width:18px;
    overflow:scroll;
    overflow-x:hidden;
}

.ext-ux-livegrid-liveScroller div {
    background:none;
    width:1px;
    overflow:hidden;
    font-size:1px;
    height:0px;
}